1 . 摩天轮是一种大型转轮状的机械建筑设施,某摩天轮最高点距离地面高度128米,转盘直径为120米,设置有48个座舱,开启后按逆时针方向匀速旋转,游客在座舱转到距离地面最近的位置进舱,转一周需要30分钟.若游客甲坐上摩天轮的座舱,开始旋转
分钟后距离地面的高度为
米,则
关于
的函数解析式为___________ ;若游客甲在
,
时刻距离地面的高度相等,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43409a358dca98d58b8dcc28d84e50.png)
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2 . 已知函数
图像的两条相邻对称轴之间的距离小于
,且
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbea1b1923ae759d7a59e2b8ed104d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cf7e7c0a48323e7dbe919312013923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cc3467b285bed3494e4d2ac5958970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2022-09-03更新
|
1344次组卷
|
3卷引用:山东省日照市2022-2023学年高二上学期8月校际联考数学试题
名校
解题方法
3 . 如图,函数
(其中
,
,
)与坐标轴的三个交点
、
、
满足
,
,
为
的中点,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f322009316bd482eaf4895b8d9a81bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983cc618d0783c0d265f8970940beb8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7b816eca15d4b7d060013df53edd53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f0e2222090f2a60fc859442340e6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/2021/1/21/2640798520934400/2646835766140928/STEM/125ab4ec-4e18-4c7e-bf6e-e0a5078f1983.png)
您最近一年使用:0次
4 . 已知函数
的一条对称轴为
,
,且函数
在区间
上具有单调性,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5959fc4ca87754bb59356c56d01fc4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c8eafcec5694af6d758049c80fb905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4af0f8116d42cd991cc7a9f97e0841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c823b1db20dcf7e5272b9b2f548c64.png)
您最近一年使用:0次
5 . 给出以下四个结论:
①函数
是偶函数;
②当
时,函数
的值域是
;
③若扇形的周长为
,圆心角为
,则该扇形的弧长为6 cm;
④已知定义域为
的函数
,当且仅当
时,
成立.
则上述结论中正确的是______ (写出所有正确结论的序号).
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418cde28592de8168405628b6ad347ad.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e06f48f93a639f7bc2e48479edb478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ee4e7d1b27423c5d74f3b7db91899b.png)
③若扇形的周长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be94b5554fa800df51f118f9334d210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1caae9d4271f1c17162991ece4754b2.png)
④已知定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2f89d1a7c3366201f5ee179bb7281c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951457d403a246bb28847c9f9780baf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
则上述结论中正确的是
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